Hiroshi Ide
47Patents
16h-index
76Co-inventors
84Inventor score
Filing activity: Dec 21, 1979 → May 15, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5333126A | Information recording method and optical disk apparatus using same | Physics | 96 | Expired |
| US5418770A | Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus | Physics | 87 | Expired |
| US5732061A | Recording method using trial write test pattern | Physics | 72 | Expired |
| US5642343A | Magnetooptic disc apparatus and recording medium | Physics | 64 | Expired |
| US5513165A | Method for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testing | Physics | 60 | Expired |
| US5590111A | Method of controlling recording of optical records | Physics | 49 | Expired |
| US5848045A | Method for recording and reading an optical disk | Physics | 38 | Expired |
| US4537855A | Photopolymerizable photosensitive composition | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5457666A | Light modulation method for forming a mark in magneto-optical recording system | Physics | 33 | Expired |
| US5345434A | Method and apparatus for correcting edge interval of record signal in an optical record/read-out apparatus | Physics | 30 | Expired |
| US5463600A | Magneto-optical recording system using recording waveform having a plurality of power levels providing high recording density | Physics | 29 | Expired |
| US7443625B2 | Magnetic disk drive | Physics | 22 | Active |
| US5553051A | Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same | Physics | 18 | Expired |
| US6795277B2 | Magnetic head and magnetic disk drive | Physics | 17 | Expired |
| US6327112A | Adjacent track position detectable information storage apparatus | Physics | 16 | Expired |
| US6657805B2 | Method of controlling read write operation of a magnetic disk apparatus | Physics | 16 | Expired |
| US7330324B2 | Magnetic disk drive having a function for using a thermal protrusion amount for flying height management and an inspection device having such a function | Physics | 16 | Expired |
| US5498641A | Polymerizable composition containing pyrromethene type coloring matter and titanocene compound | Chemistry; Metallurgy | 15 | Expired |
| US6310741A | Magnetic disk apparatus with data track reassigning function | Physics | 13 | Expired |
| US4271261A | Developer composition for lithographic printing plates | Physics | 12 | Expired |
| US6683823B2 | Method for reproducing information on a recording medium | Physics | 12 | Expired |
| US6373407B1 | Data encoding method for digital data recording and data recording system using the same | Physics | 11 | Expired |
| US6791776B2 | Apparatus for information recording and reproducing | Physics | 10 | Expired |
| US6980385B2 | Apparatus for information recording and reproducing | Physics | 9 | Expired |
| US6934128B2 | Magnetic head and magnetic disk drive | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.